Tagged Questions

Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in [RFC 854](http://tools.ietf.org/html/rfc854).
Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it ...

My mail server having a problem on blocking some attacker that trying to telnet to our mailserver.
but i'm not able to block it, ip will keep changing even we block by ip. seems like he is trying to ...

I'm at a bit of a loss and will also preface by saying that I have very little experience working with Telnet. I have Startech Serial over IP 'webserver' setup, everything seems fine on this end. Next ...

After my company decided to change the website we switched from old ASP.NET site to new website created in Drupal(php). The site is running locally on IIS7.5 and we also have virtual SMTP server on ...

Let me first get the infrastructure out of the way.
We have one 2012 R2 Server acting as the Hyper V host for 2 servers. The two virtual machines is one 2012 R2 Server and one 2003 SBS server that we ...

We have a requirment where in we have to test 500+ Port opening rules. So requires a suggest on below points.
Which is the best tool to test the connectivity of the ports. Telnet will be sufficient
...

I have recently installed sftp (secure shell ftp) into proftpd. Knowing that the default port for sftp is 22, I have also changed the port value from 23 to 22 in /etc/proftpd.sftp.conf. So I expect it ...

I have SecAst up and running great, and I realize that any workstation on the network can access the SecAst telnet interface. Is there a way to limit this to only my laptop? I don't want one of the ...

I'm trying to connect remotely to my windows server 2008 virtual machine with another with XP, the service is correctly installed and working, i have been successful in getting in with the admin but ...

I have LAN_1 and LAN_2 interconnected with an openvpn tunnel terminated ona pair of SOHO routers running busybox.
One of the vpn purpose is to allow clients on both LAN_1 and LAN_2, to administer the ...

I am very very new to this and just trying to configure SMTP virtual server. I have followed a few threads to get it all running, but the mails are not being delivered.
What I have done so far -
1) ...

i am quite new so please be a bit patient XD
i am trying to configure a mail server using postfix (which implements a database for aliases, domains and mailboxes) and courrier on ubuntu. I have this ...

I need to restart/reboot an Alcatel-Lucent OmniSwith 9600. I cannot find the option to reboot the switch from the web interface. How else can I reboot the switch without pulling the power? I was able ...

I'm not a networking guy, so I apologize if my question is dumb.
I have two Ubuntu machines setup on Amazon EC2. I need to "talk" from one to the other via port 9300. On my receiving machine, I ran ...

Kind of a 2 problem issue, but I have a feeling one of them is my problem. I have 2 C2G124-24 switches. They work fine and function properly. Problem I am having is that I can no longer access them ...

I am working on a compute service that will require automatic deployment of our software (~30 megs). The software is a WCF service, so I am stuck with windows. I can't use mono because we use lots of ...

When I need to check whether a firewall rule has been opened or whether a service is up and running, I usually run a telnet test, basically "telnet 192.168.1.50 80" for e.g. If a firewall is dropping ...

I am creating a new install image for deployment, upgrading from a previous deployment of Fedora Core 4 to Linux Mint 15. I have the telnet session to the server working and all keys are operating as ...

In my environment I have a linux server running CentOS 5. I have setup a telnet service on this server in order to connect via telnet. However, after some time I try to connect and I get this error: ...